diff --git a/_extensions/mcanouil/brand.yml b/_extensions/mcanouil/brand.yml
index 15cd7fc..eeea107 100644
--- a/_extensions/mcanouil/brand.yml
+++ b/_extensions/mcanouil/brand.yml
@@ -35,17 +35,63 @@ defaults:
       tooltip-bg: $foreground
       btn-close-color: $foreground
     rules: |
+      // ===========================
+      // UTILITY FUNCTIONS
+      // ===========================
+      // Helper function to mix background and foreground colors
       @function body-mix($weight) {
         @return mix($background, $foreground, $weight);
       }
 
-      // Quarto Components
+      // ===========================
+      // BASE STYLES & ANIMATIONS
+      // ===========================
+      // Smooth scrolling for the entire page
+      html {
+        scroll-behavior: smooth;
+      }
+
+      // Page fade-in animation on load
+      body {
+        animation: fadeIn 0.6s ease-in;
+      }
+
+      @keyframes fadeIn {
+        from {
+          opacity: 0;
+        }
+        to {
+          opacity: 1;
+        }
+      }
+
+      // Enhanced focus states for accessibility
+      a:focus-visible,
+      button:focus-visible,
+      .btn:focus-visible {
+        outline: 2px solid $foreground;
+        outline-offset: 2px;
+        transition: outline-offset 0.2s ease;
+      }
+
+      // Hide empty divs and paragraphs to reduce visual clutter
+      div:empty,
+      p:empty {
+        display: none;
+      }
+
+      // ===========================
+      // QUARTO UI COMPONENTS
+      // ===========================
+
+      // Back to top button
       #quarto-back-to-top {
         box-shadow: 0 .2rem .5rem body-mix(95%), 0 0 .05rem body-mix(95%);
         color: body-mix(5%);
         bottom: 80px;
       }
 
+      // Title banner styling
       .quarto-title-banner {
         margin-bottom: 1em;
         color: $foreground;
@@ -64,13 +110,16 @@ defaults:
         }
       }
 
+      // Breadcrumb last item styling
       .quarto-title-breadcrumbs .breadcrumb li:last-of-type a,
       .quarto-secondary-nav nav.quarto-page-breadcrumbs .breadcrumb li:last-of-type a {
         color: body-mix(50%);
         font-weight: 600;
       }
 
-      // Pagination & Forms
+      // ===========================
+      // FORMS & PAGINATION
+      // ===========================
       .page-item {
         &.active .page-link,
         .page-link:hover {
@@ -96,7 +145,9 @@ defaults:
         background-color: $foreground;
       }
 
-      // Code Styling
+      // ===========================
+      // CODE STYLING
+      // ===========================
       code,
       a > code {
         color: $background;
@@ -107,18 +158,6 @@ defaults:
         text-decoration: underline;
       }
 
-      p code:not(.sourceCode),
-      li code:not(.sourceCode),
-      td code:not(.sourceCode) {
-        background-color: $foreground;
-      }
-
-      nav p code:not(.sourceCode),
-      nav li code:not(.sourceCode),
-      nav td code:not(.sourceCode) {
-        background-color: $foreground !important;
-      }
-
       div.sourceCode {
         background-color: body-mix(95%);
         border: 1px solid body-mix(50%);
@@ -138,6 +177,7 @@ defaults:
         margin-right: 1.5em;
       }
 
+      // Code annotation workaround
       /* TODO: remove when fixed in Quarto: https://github.com/quarto-dev/quarto-cli/pull/13429 */
       #code-annotation-line-highlight {
         margin-left: unset;
@@ -149,6 +189,10 @@ defaults:
         all: unset;
       }
 
+      // ===========================
+      // BOOTSTRAP COMPONENTS
+      // ===========================
+
       // List Groups
       .list-group-item-action {
         &:hover,
@@ -158,7 +202,33 @@ defaults:
         }
       }
 
-      // About Section
+      // Navigation Tabs
+      .nav-tabs {
+        border-bottom: 1px solid $foreground;
+
+        .nav-link.active,
+        .nav-item.show .nav-link {
+          color: $foreground;
+          background-color: $background;
+          border-color: $foreground;
+        }
+
+        .nav-link,
+        .nav-pills .nav-link {
+          color: $foreground;
+        }
+      }
+
+      // Tooltips
+      .tooltip {
+        animation: fadeIn 0.2s ease;
+      }
+
+      // ===========================
+      // ABOUT PAGE COMPONENTS
+      // ===========================
+
+      // Profile image with glow effect
       img.about-image {
         border-radius: 50%;
         border-style: solid;
@@ -192,7 +262,7 @@ defaults:
         }
       }
 
-      // About Entity Components
+      // About entity title hover effect
       .about-entity {
         #title-block-header.quarto-title-block.default .quarto-title .title:hover {
           color: $foreground;
@@ -200,6 +270,7 @@ defaults:
         }
       }
 
+      // Solana template about links
       .quarto-about-solana .about-entity {
         .about-links {
           column-gap: 0;
@@ -221,6 +292,7 @@ defaults:
         }
       }
 
+      // Trestles template about links
       .quarto-about-trestles .about-entity {
         .about-link {
           color: mix($link-color, $background, 50%);
@@ -233,7 +305,11 @@ defaults:
         }
       }
 
-      // Navbar
+      // ===========================
+      // NAVIGATION & HEADER
+      // ===========================
+
+      // Main navbar styling
       .navbar {
         text-transform: uppercase;
         letter-spacing: 0.1em;
@@ -262,7 +338,7 @@ defaults:
         }
       }
 
-      // Navigation & Footer
+      // Footer navigation
       .nav-footer {
         border-top: 1px solid body-mix(50%);
 
@@ -293,6 +369,7 @@ defaults:
         max-height: 2em;
       }
 
+      // Navbar navigation items with animated underlines
       .navbar-nav {
 
         .show>.nav-link,
@@ -357,6 +434,7 @@ defaults:
         }
       }
 
+      // Responsive navbar adjustments
       @media (max-width: 992px) {
         .navbar-expand-lg {
 
@@ -377,23 +455,7 @@ defaults:
         max-height: 2em;
       }
 
-      // Navigation Tabs
-      .nav-tabs {
-        border-bottom: 1px solid $foreground;
-
-        .nav-link.active,
-        .nav-item.show .nav-link {
-          color: $foreground;
-          background-color: $background;
-          border-color: $foreground;
-        }
-
-        .nav-link,
-        .nav-pills .nav-link {
-          color: $foreground;
-        }
-      }
-
+      // Navbar title with corner brackets animation
       .navbar-title {
         transition: all .35s ease;
         display: inline-block;
@@ -442,7 +504,11 @@ defaults:
         }
       }
 
-      // Color Scheme Toggle Icons
+      // ===========================
+      // THEME TOGGLE ICONS
+      // ===========================
+
+      // Navbar theme toggle
       .navbar .quarto-color-scheme-toggle {
         &:not(.alternate) .bi::before {
           background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="#{colorToRGBA($navbar-light-color)}" class="bi bi-sun-fill" viewBox="0 0 16 16"><path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8M8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0m0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13m8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5M3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8m10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0m-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0m9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707M4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708"/></svg>');
@@ -473,7 +539,11 @@ defaults:
         }
       }
 
-      // Listing Components
+      // ===========================
+      // LISTING & BLOG COMPONENTS
+      // ===========================
+
+      // Listing category tags
       .quarto-post .listing-categories .listing-category {
         border: solid 1px $foreground;
 
@@ -496,13 +566,16 @@ defaults:
         color: $foreground;
       }
 
-      // Footer Link
+      // Footer link hover
       .footer a:hover {
         color: $link-color;
       }
 
-      // Custom Styles
+      // ===========================
+      // CUSTOM UTILITY STYLES
+      // ===========================
 
+      // Rounded picture style
       .picture {
         border-style: solid;
         border-width: 3pt;
@@ -536,8 +609,2237 @@ defaults:
         h2 {
           display: none;
         }
-        
+
         ul {
           margin-bottom: 0;
         }
       }
+
+      // ===========================
+      // LINK ANIMATIONS & EFFECTS
+      // ===========================
+
+      // Main content links with subtle underline animation
+      main a:not(.nav-link):not(.btn):not(.about-link):not(.listing-category):not(.quarto-grid-link):not(:has(img)):not(.code-annotation-anchor):not(.toc-action):not(#quarto-back-to-top) {
+        position: relative;
+        text-decoration: none;
+        transition: color 0.3s ease;
+
+        &::after {
+          content: '';
+          position: absolute;
+          bottom: -2px;
+          left: 0;
+          width: 0;
+          height: 1px;
+          background: $foreground;
+          transition: width 0.3s ease;
+        }
+
+        &:hover::after {
+          width: 100%;
+        }
+      }
+
+      // ===========================
+      // CARD & GRID ENHANCEMENTS
+      // ===========================
+
+      // Blog listing cards with hover effects
+      .quarto-post {
+        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+        border-radius: 8px;
+        overflow: hidden;
+        padding: 1rem;
+
+        &:hover {
+          transform: translateY(-4px);
+          box-shadow: 0 8px 16px rgba($foreground, 0.1);
+        }
+
+        .listing-title {
+          transition: color 0.3s ease;
+          margin-bottom: 0.5rem !important;
+        }
+
+        .listing-image {
+          transition: transform 0.4s ease;
+          overflow: hidden;
+
+          img {
+            transition: transform 0.4s ease;
+          }
+        }
+
+        &:hover .listing-image img {
+          transform: scale(1.05);
+        }
+      }
+
+      // Grid items
+      .quarto-grid-item {
+        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+
+        &:hover {
+          transform: translateY(-4px);
+          box-shadow: 0 8px 16px rgba($foreground, 0.1);
+        }
+
+        .card-img-top {
+          transition: transform 0.4s ease;
+        }
+
+        &:hover .card-img-top {
+          transform: scale(1.05);
+        }
+      }
+
+      // ===========================
+      // BUTTON & FORM CONTROLS
+      // ===========================
+
+      // Buttons and pagination links
+      .btn,
+      .page-link {
+        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+        text-decoration: none;
+        position: relative;
+
+        // Remove any inherited underline animations from main links
+        &::after {
+          display: none !important;
+        }
+
+        &:hover {
+          transform: translateY(-1px);
+          box-shadow: 0 4px 8px rgba($foreground, 0.15);
+          text-decoration: none;
+        }
+
+        &:active {
+          transform: translateY(0);
+        }
+      }
+
+      // ===========================
+      // Category Tags
+      // ===========================
+
+      .listing-category,
+      .quarto-category {
+        transition: all 0.25s ease;
+
+        &:hover {
+          transform: scale(1.05);
+          box-shadow: 0 2px 8px rgba($foreground, 0.1);
+        }
+      }
+
+      // ===========================
+      // ABOUT PAGE - HERO BANNER
+      // ===========================
+
+      // Hero banner styling for Solana about template with gradient orbs
+      .quarto-about-solana {
+        position: relative;
+        padding: 3rem 0;
+        margin-left: calc(-50vw + 50%);
+        margin-right: calc(-50vw + 50%);
+        margin-top: -2rem;
+        margin-bottom: 2rem;
+        background:
+          radial-gradient(ellipse at top left, rgba($foreground, 0.08) 0%, transparent 50%),
+          radial-gradient(ellipse at bottom right, rgba($foreground, 0.06) 0%, transparent 50%),
+          linear-gradient(135deg, rgba($foreground, 0.02) 0%, rgba($foreground, 0.05) 100%);
+        border-radius: 0;
+        box-shadow: 0 4px 16px rgba($foreground, 0.08);
+        overflow: hidden;
+
+        // Gradient orbs overlay
+        &::before {
+          content: '';
+          position: absolute;
+          top: -50%;
+          left: -50%;
+          right: -50%;
+          bottom: -50%;
+          background:
+            radial-gradient(circle at 30% 40%, rgba($foreground, 0.12) 0%, transparent 30%),
+            radial-gradient(circle at 70% 60%, rgba($foreground, 0.1) 0%, transparent 30%),
+            radial-gradient(circle at 50% 20%, rgba($foreground, 0.08) 0%, transparent 20%);
+          pointer-events: none;
+          opacity: 0.6;
+          animation: orbsMove 20s ease-in-out infinite alternate;
+        }
+
+        .about-entity {
+          position: relative;
+          z-index: 1;
+          max-width: 800px;
+          margin-left: auto;
+          margin-right: auto;
+          padding: 0 2rem;
+
+          .entity-contents {
+            .quarto-title-block {
+              text-align: center;
+
+              .quarto-title {
+                .title {
+                  font-size: 2.5rem;
+                  font-weight: 700;
+                  margin-bottom: 0.5rem;
+                  background: linear-gradient(135deg, $foreground 0%, rgba($foreground, 0.7) 100%);
+                  -webkit-background-clip: text;
+                  -webkit-text-fill-color: transparent;
+                  background-clip: text;
+
+                  @media (max-width: 768px) {
+                    font-size: 2rem;
+                  }
+                }
+
+                .subtitle {
+                  font-size: 1.2rem;
+                  color: rgba($foreground, 0.8);
+                  font-weight: 400;
+                  margin-bottom: 1.5rem;
+
+                  @media (max-width: 768px) {
+                    font-size: 1rem;
+                  }
+                }
+              }
+            }
+
+            .about-links {
+              display: flex;
+              flex-wrap: wrap;
+              justify-content: center;
+              gap: 0.75rem;
+              margin-top: 1.5rem;
+
+              .about-link {
+                display: inline-flex;
+                align-items: center;
+                justify-content: center;
+                padding: 0.6rem 1rem;
+                background-color: rgba($foreground, 0.08);
+                border: 1px solid rgba($foreground, 0.15);
+                border-radius: 8px;
+                color: rgba($foreground, 0.85);
+                text-decoration: none;
+                transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+                font-size: 1.1rem;
+                min-width: 2.5rem;
+
+                .about-link-text {
+                  display: flex;
+                  align-items: center;
+                  gap: 0.5rem;
+                }
+
+                &:hover {
+                  background-color: rgba($foreground, 0.12);
+                  border-color: rgba($foreground, 0.3);
+                  transform: translateY(-2px);
+                  box-shadow: 0 4px 12px rgba($foreground, 0.15);
+                  color: $foreground;
+                }
+
+                &:active {
+                  transform: translateY(0);
+                }
+
+                // Special styling for sponsor link
+                &:has(iconify-icon[icon*="heart"]) {
+                  background-color: rgba(255, 105, 180, 0.1);
+                  border-color: rgba(255, 105, 180, 0.3);
+                  color: rgb(255, 105, 180);
+
+                  &:hover {
+                    background-color: rgba(255, 105, 180, 0.2);
+                    border-color: rgba(255, 105, 180, 0.5);
+                    color: rgb(255, 80, 150);
+                  }
+                }
+              }
+            }
+          }
+
+          // Profile image styling (override existing)
+          .about-image {
+            border: 4px solid rgba($foreground, 0.1);
+            box-shadow: 0 8px 24px rgba($foreground, 0.15);
+            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+
+            &:hover {
+              transform: scale(1.05);
+              box-shadow: 0 12px 32px rgba($foreground, 0.2);
+              border-color: rgba($foreground, 0.2);
+            }
+          }
+        }
+
+        // Responsive adjustments
+        @media (max-width: 768px) {
+          padding: 2rem 0;
+          margin-top: -1rem;
+          margin-bottom: 1.5rem;
+
+          .about-entity {
+            padding: 0 1.5rem;
+          }
+        }
+      }
+
+      // ===========================
+      // ABOUT PAGE - CONTENT SECTIONS
+      // ===========================
+
+      // About entity links (outside hero section)
+      .about-entity {
+        .about-link {
+          transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+
+          &:hover {
+            filter: brightness(1.2);
+          }
+        }
+      }
+
+      // About body styling
+      .about-body {
+        margin: 2.5rem 0;
+        max-width: 800px;
+
+        p {
+          font-size: 1.1rem;
+          line-height: 1.75;
+          margin-bottom: 1.5rem;
+          color: rgba($foreground, 0.85);
+
+          @media (max-width: 768px) {
+            font-size: 1.05rem;
+            line-height: 1.7;
+          }
+
+          strong {
+            color: $foreground;
+            font-weight: 600;
+          }
+
+          em {
+            color: rgba($foreground, 0.75);
+          }
+        }
+      }
+
+      // Subtle image styling class
+      .img-styled {
+        display: block;
+        margin: 2rem auto;
+        padding: 1rem;
+        background: linear-gradient(
+          135deg,
+          rgba($foreground, 0.02) 0%,
+          rgba($foreground, 0.04) 100%
+        );
+        border: 1px solid rgba($foreground, 0.08);
+        border-radius: 12px;
+        box-shadow: 0 2px 6px rgba($foreground, 0.06);
+        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+        overflow: hidden;
+
+        // Round the image corners
+        img {
+          border-radius: 6px;
+          display: block;
+          width: 100%;
+          height: auto;
+        }
+
+        &:hover {
+          background: linear-gradient(
+            135deg,
+            rgba($foreground, 0.04) 0%,
+            rgba($foreground, 0.06) 100%
+          );
+          border-color: rgba($foreground, 0.12);
+          box-shadow: 0 4px 12px rgba($foreground, 0.1);
+        }
+
+        // For images inside links
+        a & {
+          cursor: pointer;
+        }
+
+        // Responsive
+        @media (max-width: 768px) {
+          padding: 0.75rem;
+          margin: 1.5rem auto;
+          border-radius: 10px;
+
+          img {
+            border-radius: 5px;
+          }
+        }
+      }
+
+      // Highlight callout box - minimal dotted border style
+      .highlight {
+        position: relative;
+        margin: 2rem 0;
+        padding: 1.5rem 2rem;
+        background: transparent;
+        border: 2px dashed rgba($foreground, 0.25);
+        border-radius: 8px;
+        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+
+        // Corner accents
+        &::before,
+        &::after {
+          content: '';
+          position: absolute;
+          width: 12px;
+          height: 12px;
+          border: 2px solid $foreground;
+          transition: all 0.3s ease;
+        }
+
+        // Top-left corner
+        &::before {
+          top: -2px;
+          left: -2px;
+          border-right: none;
+          border-bottom: none;
+          border-radius: 8px 0 0 0;
+        }
+
+        // Bottom-right corner
+        &::after {
+          bottom: -2px;
+          right: -2px;
+          border-left: none;
+          border-top: none;
+          border-radius: 0 0 8px 0;
+        }
+
+        &:hover {
+          border-color: rgba($foreground, 0.4);
+          background: rgba($foreground, 0.02);
+
+          &::before,
+          &::after {
+            width: 20px;
+            height: 20px;
+          }
+        }
+
+        p {
+          margin: 0;
+          font-size: 1.05rem;
+          line-height: 1.8;
+          color: $foreground;
+
+          @media (max-width: 768px) {
+            font-size: 1rem;
+          }
+
+          strong {
+            color: $foreground;
+            position: relative;
+            padding: 0 0.2em;
+
+            &::after {
+              content: '';
+              position: absolute;
+              bottom: 0.1em;
+              left: 0;
+              right: 0;
+              height: 0.35em;
+              background: rgba($foreground, 0.12);
+              z-index: -1;
+              transition: background 0.3s ease;
+            }
+          }
+
+          em {
+            font-style: italic;
+            color: $foreground;
+          }
+        }
+
+        &:hover p strong::after {
+          background: rgba($foreground, 0.2);
+        }
+
+        // Multiple paragraphs in highlight
+        p + p {
+          margin-top: 1rem;
+        }
+
+        @media (max-width: 768px) {
+          padding: 1.25rem 1.5rem;
+        }
+
+        // Reduced motion support
+        @media (prefers-reduced-motion: reduce) {
+          transition: none;
+
+          &::before,
+          &::after {
+            transition: none;
+          }
+        }
+      }
+
+      // Index page content styling
+      body.quarto-about-solana,
+      #quarto-content:has(.quarto-about-solana) {
+
+        // Introduction paragraphs after hero
+        > div:not(.quarto-about-solana) {
+          p {
+            font-size: 1.05rem;
+            line-height: 1.7;
+            margin-bottom: 1.25rem;
+            color: rgba($foreground, 0.85);
+
+            strong {
+              color: $foreground;
+              font-weight: 600;
+            }
+          }
+        }
+
+        // Education and Interests sections
+        section.level2 {
+          padding-top: 2rem;
+
+          h2 {
+            font-size: 1.75rem;
+            font-weight: 700;
+            margin-bottom: 1.5rem;
+            color: $foreground;
+            position: relative;
+            padding-bottom: 0.75rem;
+
+            &::after {
+              content: '';
+              position: absolute;
+              bottom: 0;
+              left: 0;
+              width: 60px;
+              height: 3px;
+              background: linear-gradient(90deg, $foreground 0%, rgba($foreground, 0.3) 100%);
+              transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+            }
+
+            &:hover::after {
+              width: 100px;
+            }
+          }
+
+          ul {
+            list-style: none;
+            padding-left: 0;
+            margin: 0;
+
+            li {
+              position: relative;
+              padding: 0.75rem 0 0.75rem 2rem;
+              margin-bottom: 0.75rem;
+              transition: all 0.3s ease;
+
+              &::before {
+                content: '▸';
+                position: absolute;
+                left: 0.5rem;
+                color: rgba($foreground, 0.5);
+                font-size: 1rem;
+                transition: all 0.3s ease;
+              }
+
+              &:hover {
+                padding-left: 2.25rem;
+                color: $foreground;
+
+                &::before {
+                  color: $foreground;
+                  left: 0.25rem;
+                }
+              }
+
+              p {
+                margin: 0;
+
+                strong {
+                  color: $foreground;
+                  font-weight: 600;
+                }
+
+                em {
+                  color: rgba($foreground, 0.7);
+                }
+              }
+            }
+          }
+        }
+
+        // Education section specific styling
+        .education {
+          ul li {
+            background-color: rgba($foreground, 0.02);
+            border-left: 2px solid rgba($foreground, 0.15);
+            border-radius: 0 6px 6px 0;
+            padding: 1rem 1rem 1rem 2rem;
+
+            &:hover {
+              background-color: rgba($foreground, 0.05);
+              border-left-color: rgba($foreground, 0.3);
+            }
+
+            strong:last-of-type {
+              color: rgba($foreground, 0.7);
+              font-size: 0.95em;
+            }
+          }
+        }
+
+        // Interests section - more compact styling
+        .interests {
+          ul {
+            display: grid;
+            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+            gap: 0.5rem;
+
+            @media (max-width: 768px) {
+              grid-template-columns: 1fr;
+            }
+
+            li {
+              padding: 0.5rem 1rem 0.5rem 1.75rem;
+              background-color: rgba($foreground, 0.04);
+              border-radius: 6px;
+              font-size: 0.95rem;
+
+              &::before {
+                left: 0.5rem;
+                font-size: 0.85rem;
+              }
+
+              &:hover {
+                background-color: rgba($foreground, 0.08);
+                padding-left: 2rem;
+              }
+            }
+          }
+        }
+      }
+
+      // Responsive adjustments for index page
+      @media (max-width: 768px) {
+        body.quarto-about-solana,
+        #quarto-content:has(.quarto-about-solana) {
+          > div:not(.quarto-about-solana) p {
+            font-size: 1rem;
+          }
+
+          section.level2 {
+            margin-top: 2rem;
+            padding-top: 1.5rem;
+
+            h2 {
+              font-size: 1.5rem;
+            }
+          }
+        }
+      }
+
+      // ===========================
+      // CODE ENHANCEMENTS
+      // ===========================
+
+      code:not(.sourceCode) {
+        color: $background !important;
+        background-color: $foreground !important;
+      }
+
+      // Inline code styling with hover effects
+      p code:not(.sourceCode),
+      li code:not(.sourceCode),
+      td code:not(.sourceCode),
+      span code:not(.sourceCode),
+      div code:not(.sourceCode),
+      h1 code:not(.sourceCode),
+      h2 code:not(.sourceCode),
+      h3 code:not(.sourceCode),
+      h4 code:not(.sourceCode),
+      h5 code:not(.sourceCode),
+      h6 code:not(.sourceCode) {
+        // Improved padding and spacing
+        padding: 0.15em 0.4em;
+        margin: 0 0.1em;
+
+        // Rounded corners for modern look
+        border-radius: 4px;
+
+        // Smooth transitions
+        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+
+        // Subtle border for definition
+        border: 1px solid rgba($foreground, 0.12);
+
+        // Font styling
+        font-size: 0.9em;
+        font-weight: 500;
+        letter-spacing: 0.01em;
+
+        // Subtle shadow for depth
+        box-shadow: 0 1px 2px rgba($foreground, 0.05);
+
+        // Hover effect
+        &:hover {
+          border-color: rgba($foreground, 0.25);
+          box-shadow: 0 2px 4px rgba($foreground, 0.1);
+          transform: translateY(-1px);
+        }
+      }
+
+      // Code within links
+      a > code:not(.sourceCode) {
+        // Maintain underline from brand.yml
+        // Add hover effect
+        transition: all 0.2s ease;
+
+        &:hover {
+          box-shadow: 0 2px 6px rgba($foreground, 0.15);
+        }
+      }
+
+      // Code within headings - slightly larger
+      h1 code:not(.sourceCode),
+      h2 code:not(.sourceCode),
+      h3 code:not(.sourceCode) {
+        font-size: 0.85em;
+        padding: 0.2em 0.5em;
+        font-weight: 600;
+      }
+
+      // Code within smaller headings
+      h4 code:not(.sourceCode),
+      h5 code:not(.sourceCode),
+      h6 code:not(.sourceCode) {
+        font-size: 0.88em;
+        padding: 0.18em 0.45em;
+        font-weight: 600;
+      }
+
+      // Code in navigation (from brand.yml) - ensure consistency
+      nav p code:not(.sourceCode),
+      nav li code:not(.sourceCode),
+      nav td code:not(.sourceCode),
+      nav div code:not(.sourceCode),
+      nav span code:not(.sourceCode) {
+        padding: 0.15em 0.4em;
+        border-radius: 4px;
+        border: 1px solid rgba($foreground, 0.12);
+      }
+
+      // Code blocks with hover shadow
+      div.sourceCode {
+        transition: box-shadow 0.3s ease;
+        border-radius: 6px;
+
+        &:hover {
+          box-shadow: 0 4px 12px rgba($foreground, 0.08);
+        }
+      }
+
+      // Code with filename wrapper
+      .code-with-filename {
+        margin: 1em 0;
+
+        // Filename header
+        .code-with-filename-file {
+          background-color: rgba($foreground, 0.05);
+          border: 1px solid rgba($foreground, 0.5);
+          border-bottom: none;
+          border-radius: 6px 6px 0 0;
+          padding: 0.5em 1em;
+          margin: 0;
+          transition: all 0.3s ease;
+
+          pre {
+            margin: 0;
+            padding: 0;
+            background-color: transparent;
+            border: none;
+            font-size: 0.9em;
+            font-weight: 600;
+            color: rgba($foreground, 0.85);
+
+            strong {
+              font-weight: 600;
+              color: $foreground;
+            }
+          }
+        }
+
+        // Code block immediately after filename
+        .code-copy-outer-scaffold,
+        div.sourceCode {
+          margin-top: 0;
+          border-radius: 0 0 6px 6px;
+        }
+
+        // Hover effect for the entire wrapper
+        &:hover {
+          .code-with-filename-file {
+            background-color: rgba($foreground, 0.08);
+            border-color: rgba($foreground, 0.6);
+          }
+
+          div.sourceCode {
+            box-shadow: 0 4px 12px rgba($foreground, 0.08);
+          }
+        }
+      }
+
+      .code-copy-button {
+        transition: all 0.2s ease;
+
+        &:hover {
+          transform: scale(1.1);
+        }
+      }
+
+      // ===========================
+      // SEARCH & INTERACTION
+      // ===========================
+
+      // Navbar navigation items
+      .navbar-nav .nav-item {
+        .nav-link {
+          &::after {
+            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+          }
+        }
+      }
+
+      // Search form focus effect
+      #quarto-search {
+        .aa-Form {
+          transition: all 0.3s ease;
+
+          &:focus-within {
+            box-shadow: 0 4px 12px rgba($foreground, 0.1);
+          }
+        }
+      }
+
+      // ===========================
+      // LISTING PAGE ANIMATIONS
+      // ===========================
+
+      // Staggered fade-in for listing items
+      .quarto-listing {
+        .list {
+          .quarto-grid-item,
+          .quarto-post {
+            animation: fadeInUp 0.6s ease-out;
+            animation-fill-mode: both;
+
+            @for $i from 1 through 20 {
+              &:nth-child(#{$i}) {
+                animation-delay: #{$i * 0.05}s;
+              }
+            }
+          }
+        }
+      }
+
+      // ===========================
+      // LISTING TABLES
+      // ===========================
+
+      // Modern table styling with rounded corners and shadows
+      .quarto-listing-table {
+        border-collapse: separate;
+        border-spacing: 0;
+        width: 100%;
+        margin: 1.5em 0;
+        border-radius: 8px;
+        overflow: hidden;
+        box-shadow: 0 2px 8px rgba($foreground, 0.08);
+        transition: box-shadow 0.3s ease;
+
+        &:hover {
+          box-shadow: 0 4px 16px rgba($foreground, 0.12);
+        }
+
+        // Table header
+        thead {
+          background: linear-gradient(
+            180deg,
+            rgba($foreground, 0.08) 0%,
+            rgba($foreground, 0.05) 100%
+          );
+          border-bottom: 2px solid rgba($foreground, 0.15);
+
+          tr {
+            transition: background-color 0.3s ease;
+          }
+
+          th {
+            padding: 1rem 1.25rem;
+            font-weight: 700;
+            text-transform: uppercase;
+            font-size: 0.8rem;
+            letter-spacing: 0.08em;
+            color: rgba($foreground, 0.85);
+            text-align: left;
+            border-bottom: 2px solid rgba($foreground, 0.15);
+            position: relative;
+            transition: all 0.3s ease;
+
+            // First column
+            &:first-child {
+              padding-left: 1.5rem;
+              border-top-left-radius: 8px;
+            }
+
+            // Last column
+            &:last-child {
+              padding-right: 1.5rem;
+              border-top-right-radius: 8px;
+            }
+
+            // Sort links
+            a.sort {
+              color: rgba($foreground, 0.85);
+              text-decoration: none;
+              display: inline-flex;
+              align-items: center;
+              gap: 0.5rem;
+              transition: color 0.3s ease;
+              cursor: pointer;
+              user-select: none;
+              position: relative;
+
+              // Remove any inherited underline animations
+              &::before {
+                display: none;
+              }
+
+              // Sort indicator
+              &::after {
+                content: '⇅';
+                font-size: 0.9em;
+                opacity: 0.5;
+                transition: all 0.3s ease;
+                flex-shrink: 0;
+              }
+
+              &:hover {
+                color: $foreground;
+
+                &::after {
+                  opacity: 1;
+                  transform: scale(1.2);
+                }
+              }
+
+              // Active sort states
+              &.sort-asc::after {
+                content: '↑';
+                opacity: 1;
+                color: $foreground;
+              }
+
+              &.sort-desc::after {
+                content: '↓';
+                opacity: 1;
+                color: $foreground;
+              }
+            }
+
+            &:hover {
+              background-color: rgba($foreground, 0.06);
+            }
+          }
+        }
+
+        // Table body
+        tbody {
+          tr {
+            border-bottom: 1px solid rgba($foreground, 0.08);
+            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+            background-color: transparent;
+
+            &:hover {
+              background-color: rgba($foreground, 0.04);
+              transform: scale(1.005);
+              box-shadow: 0 2px 8px rgba($foreground, 0.08);
+              position: relative;
+              z-index: 1;
+            }
+
+            &:last-child {
+              border-bottom: none;
+            }
+
+            // Fade in animation for rows
+            animation: fadeInUp 0.5s ease-out;
+            animation-fill-mode: both;
+
+            @for $i from 1 through 20 {
+              &:nth-child(#{$i}) {
+                animation-delay: #{$i * 0.03}s;
+              }
+            }
+          }
+
+          td {
+            padding: 1rem 1.25rem;
+            vertical-align: middle;
+            transition: all 0.3s ease;
+
+            // First column
+            &:first-child {
+              padding-left: 1.5rem;
+              font-weight: 600;
+            }
+
+            // Last column
+            &:last-child {
+              padding-right: 1.5rem;
+            }
+          }
+        }
+
+        // Listing-specific elements
+        .listing-date {
+          font-size: 0.9em;
+          color: rgba($foreground, 0.75);
+          font-weight: 600;
+          display: inline-block;
+          white-space: nowrap;
+        }
+
+        .listing-title {
+          color: $foreground;
+          text-decoration: none;
+          font-weight: 600;
+          transition: all 0.3s ease;
+          display: inline-block;
+          position: relative;
+
+          &::after {
+            content: '';
+            position: absolute;
+            bottom: -2px;
+            left: 0;
+            width: 0;
+            height: 2px;
+            background: linear-gradient(
+              90deg,
+              $foreground 0%,
+              rgba($foreground, 0.4) 100%
+            );
+            transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+            border-radius: 1px;
+          }
+
+          &:hover {
+            color: $foreground;
+            transform: translateX(2px);
+
+            &::after {
+              width: 100%;
+            }
+          }
+        }
+
+        .listing-journal-title {
+          color: rgba($foreground, 0.8);
+          font-size: 0.95em;
+          font-style: italic;
+
+          em {
+            font-style: italic;
+          }
+        }
+
+        .listing-first,
+        .listing-position {
+          font-size: 0.9em;
+          color: rgba($foreground, 0.7);
+          font-weight: 500;
+          text-align: center;
+          display: inline-block;
+          transition: all 0.2s ease;
+
+          &:not(:empty) {
+            padding: 0.25em 0.75em;
+            background-color: rgba($foreground, 0.05);
+            border-radius: 4px;
+            border: 1px solid rgba($foreground, 0.12);
+
+            &:hover {
+              background-color: rgba($foreground, 0.08);
+              border-color: rgba($foreground, 0.2);
+              transform: scale(1.05);
+            }
+          }
+        }
+      }
+
+      // Listing actions group (filter and sort controls)
+      .listing-actions-group {
+        display: flex;
+        flex-wrap: wrap;
+        gap: 1rem;
+        margin-bottom: 1.5rem;
+
+        @media (max-width: 768px) {
+          flex-direction: column;
+          gap: 0.75rem;
+        }
+
+        // Input groups (both sort and filter)
+        .input-group {
+          flex: 1;
+          min-width: 200px;
+
+          @media (max-width: 768px) {
+            min-width: 100%;
+          }
+        }
+
+        .input-group-text {
+          background-color: rgba($foreground, 0.08);
+          border: 1px solid rgba($foreground, 0.15);
+          border-right: none;
+          color: rgba($foreground, 0.7);
+          border-radius: 6px 0 0 6px;
+          padding: 0.5rem 0.75rem;
+          transition: all 0.3s ease;
+
+          i {
+            font-size: 1em;
+          }
+        }
+
+        // Sort dropdown
+        .quarto-listing-sort {
+          .form-select {
+            border: 1px solid rgba($foreground, 0.15);
+            border-left: none;
+            border-radius: 0 6px 6px 0;
+            padding: 0.5rem 2.5rem 0.5rem 1rem;
+            background-color: $background;
+            color: rgba($foreground, 0.85);
+            font-size: 0.95em;
+            transition: all 0.3s ease;
+            cursor: pointer;
+
+            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
+            background-repeat: no-repeat;
+            background-position: right 0.75rem center;
+            background-size: 16px 12px;
+
+            &:hover {
+              border-color: rgba($foreground, 0.3);
+              background-color: rgba($foreground, 0.02);
+              box-shadow: 0 2px 4px rgba($foreground, 0.05);
+            }
+
+            &:focus {
+              border-color: rgba($foreground, 0.4);
+              box-shadow: 0 0 0 3px rgba($foreground, 0.08);
+              outline: none;
+            }
+
+            option {
+              padding: 0.5rem;
+              background-color: $background;
+              color: $foreground;
+
+              &:hover {
+                background-color: rgba($foreground, 0.08);
+              }
+            }
+          }
+        }
+      }
+
+      // Listing filter input
+      .quarto-listing-filter {
+        .form-control {
+          border: 1px solid rgba($foreground, 0.15);
+          border-left: none;
+          border-radius: 0 6px 6px 0;
+          padding: 0.5rem 1rem;
+          background-color: $background;
+          color: rgba($foreground, 0.85);
+          transition: all 0.3s ease;
+
+          &::placeholder {
+            color: rgba($foreground, 0.4);
+            font-style: italic;
+          }
+
+          &:hover {
+            border-color: rgba($foreground, 0.3);
+            background-color: rgba($foreground, 0.02);
+            box-shadow: 0 2px 4px rgba($foreground, 0.05);
+          }
+
+          &:focus {
+            border-color: rgba($foreground, 0.4);
+            box-shadow: 0 0 0 3px rgba($foreground, 0.08);
+            outline: none;
+            background-color: $background;
+          }
+        }
+      }
+
+      // Pagination styling
+      .listing-pagination,
+      .pagination {
+        margin-top: 2rem;
+        display: flex;
+        justify-content: center;
+        gap: 0.5rem;
+
+        .page-link {
+          border: 1px solid rgba($foreground, 0.15);
+          border-radius: 6px;
+          padding: 0.5rem 1rem;
+          color: rgba($foreground, 0.85);
+          background-color: $background;
+          transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+          text-decoration: none;
+          position: relative;
+          display: inline-block;
+
+          // Ensure no underline animations
+          &::after,
+          &::before {
+            display: none !important;
+          }
+
+          &:hover {
+            background-color: rgba($foreground, 0.08);
+            border-color: rgba($foreground, 0.25);
+            transform: translateY(-2px);
+            text-decoration: none;
+            color: $foreground;
+          }
+
+          &:focus {
+            outline: 2px solid $foreground;
+            outline-offset: 2px;
+            text-decoration: none;
+          }
+
+          &.active {
+            background-color: $foreground;
+            color: $background;
+            border-color: $foreground;
+            font-weight: 600;
+            text-decoration: none;
+
+            &:hover {
+              color: $background;
+              background-color: rgba($foreground, 0.9);
+            }
+          }
+
+          &:disabled,
+          &.disabled {
+            opacity: 0.5;
+            cursor: not-allowed;
+            transform: none;
+
+            &:hover {
+              transform: none;
+              background-color: $background;
+              border-color: rgba($foreground, 0.15);
+            }
+          }
+        }
+
+        // Page item wrapper
+        .page-item {
+          &.active .page-link {
+            background-color: $foreground;
+            color: $background;
+            border-color: $foreground;
+          }
+
+          &.disabled .page-link {
+            opacity: 0.5;
+            cursor: not-allowed;
+          }
+        }
+      }
+
+      // Listing category section
+      .quarto-listing-category-title {
+        position: relative;
+        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+        cursor: default;
+        margin-bottom: 1rem;
+        padding-bottom: 0.5rem;
+
+        // Remove default border for animated version
+        border-bottom: none !important;
+
+        // Animated underline effect on hover
+        &::after {
+          content: '';
+          position: absolute;
+          bottom: -2px;
+          left: 0;
+          width: 0;
+          height: 2px;
+          background: linear-gradient(90deg, $foreground 0%, rgba($foreground, 0.4) 100%);
+          transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+        }
+
+        &:hover::after {
+          width: 50px;
+        }
+
+        // Enhanced section number styling if present
+        .header-section-number {
+          transition: all 0.3s ease;
+          opacity: 0.7;
+          margin-right: 0.5em;
+        }
+
+        &:hover .header-section-number {
+          opacity: 1;
+          transform: translateX(-2px);
+        }
+      }
+
+      .quarto-listing-category {
+        display: flex;
+        flex-direction: column;
+        gap: 0.15rem;
+        margin-bottom: 1rem;
+        max-height: none;
+        overflow: visible;
+
+        .category {
+          display: flex;
+          align-items: center;
+          justify-content: space-between;
+          padding: 0.25em 0.25em;
+          background-color: transparent;
+          border: none;
+          border-radius: 4px;
+          font-size: 0.85em;
+          color: rgba($foreground, 0.75);
+          cursor: pointer;
+          transition: all 0.2s ease;
+          text-decoration: none;
+          position: relative;
+          overflow: hidden;
+          white-space: nowrap;
+          gap: 0.5em;
+
+          &:hover {
+            background-color: rgba($foreground, 0.05);
+            color: rgba($foreground, 0.9);
+
+            .quarto-category-count {
+              background-color: rgba($foreground, 0.1);
+              color: rgba($foreground, 0.8);
+            }
+          }
+
+          &:active {
+            background-color: rgba($foreground, 0.08);
+          }
+
+          // Active/selected state
+          &.active,
+          &[aria-current="true"] {
+            background-color: rgba($foreground, 0.1);
+            color: $foreground;
+            font-weight: 600;
+
+            .quarto-category-count {
+              background-color: rgba($foreground, 0.15);
+              color: $foreground;
+            }
+
+            &:hover {
+              background-color: rgba($foreground, 0.12);
+            }
+          }
+
+          // Focus state for accessibility
+          &:focus {
+            outline: 2px solid rgba($foreground, 0.3);
+            outline-offset: 2px;
+          }
+
+          .quarto-category-count {
+            padding: 0.1em 0.4em;
+            background-color: rgba($foreground, 0.08);
+            border-radius: 8px;
+            font-size: 0.8em;
+            font-weight: 500;
+            color: rgba($foreground, 0.6);
+            transition: all 0.2s ease;
+            min-width: 1.8em;
+            text-align: center;
+          }
+        }
+
+        // Special styling for "All" category
+        .category[data-category=""] {
+          font-weight: 600;
+          color: rgba($foreground, 0.8);
+        }
+
+        // Reduced motion support
+        @media (prefers-reduced-motion: reduce) {
+          .category {
+            transition: none;
+          }
+        }
+      }
+
+      // Responsive adjustments for categories
+      @media (max-width: 768px) {
+        .quarto-listing-category {
+          gap: 0.2rem;
+
+          .category {
+            font-size: 0.8em;
+            padding: 0.2em 0.4em;
+
+            .quarto-category-count {
+              font-size: 0.75em;
+              padding: 0.08em 0.35em;
+            }
+          }
+        }
+
+        .quarto-listing-category-title {
+          font-size: 0.85rem;
+        }
+      }
+
+      // Responsive table adjustments
+      @media (max-width: 991px) {
+        .quarto-listing-table {
+          font-size: 0.9em;
+
+          thead th,
+          tbody td {
+            padding: 0.75rem 1rem;
+
+            &:first-child {
+              padding-left: 1rem;
+            }
+
+            &:last-child {
+              padding-right: 1rem;
+            }
+          }
+        }
+      }
+
+      @media (max-width: 768px) {
+        .quarto-listing-table {
+          font-size: 0.85em;
+          border-radius: 6px;
+
+          thead th,
+          tbody td {
+            padding: 0.6rem 0.75rem;
+
+            &:first-child {
+              padding-left: 0.75rem;
+            }
+
+            &:last-child {
+              padding-right: 0.75rem;
+            }
+          }
+
+          thead th {
+            font-size: 0.75rem;
+          }
+        }
+      }
+
+      @keyframes fadeInUp {
+        from {
+          opacity: 0;
+          transform: translateY(20px);
+        }
+        to {
+          opacity: 1;
+          transform: translateY(0);
+        }
+      }
+
+      // ===========================
+      // MEDIA & IMAGES
+      // ===========================
+
+      // Footer link animations
+      .nav-footer {
+        a {
+          transition: all 0.3s ease;
+          position: relative;
+
+          &::after {
+            content: '';
+            position: absolute;
+            bottom: -2px;
+            left: 50%;
+            width: 0;
+            height: 1px;
+            background: $foreground;
+            transition: all 0.3s ease;
+            transform: translateX(-50%);
+          }
+
+          &:hover::after {
+            width: 100%;
+          }
+        }
+      }
+
+      // Figure images with hover zoom
+      figure {
+        img {
+          transition: transform 0.3s ease, box-shadow 0.3s ease;
+
+          &:hover {
+            transform: scale(1.02);
+            box-shadow: 0 8px 16px rgba($foreground, 0.1);
+          }
+        }
+      }
+
+      // ===========================
+      // TABLE OF CONTENTS (TOC)
+      // ===========================
+
+      // TOC navigation with animated indicators
+      nav#TOC {
+        position: relative;
+        transition: all 0.3s ease;
+
+        // TOC Title styling
+        #toc-title {
+          font-size: 0.875rem;
+          font-weight: 700;
+          text-transform: uppercase;
+          letter-spacing: 0.08em;
+          margin-bottom: 1rem;
+          padding-bottom: 0.5rem;
+          position: relative;
+          color: rgba($foreground, 0.85);
+
+          // Animated underline
+          &::after {
+            content: '';
+            position: absolute;
+            bottom: 0;
+            left: 0;
+            width: 40px;
+            height: 2px;
+            background: linear-gradient(
+              90deg,
+              $foreground 0%,
+              rgba($foreground, 0.3) 100%
+            );
+            transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+            border-radius: 2px;
+          }
+
+          &:hover::after {
+            width: 80px;
+          }
+        }
+
+        // TOC list styling
+        ul {
+          list-style: none;
+          padding-left: 0;
+          margin-bottom: 0.5rem;
+
+          // Nested lists
+          ul {
+            padding-left: 1rem;
+            margin-top: 0.25rem;
+            margin-bottom: 0.25rem;
+            position: relative;
+
+            // Vertical line for nested items
+            &::before {
+              content: '';
+              position: absolute;
+              left: 0.5rem;
+              top: 0;
+              bottom: 0;
+              width: 1px;
+              background: linear-gradient(
+                180deg,
+                rgba($foreground, 0.15) 0%,
+                rgba($foreground, 0.05) 100%
+              );
+              opacity: 0;
+              transition: opacity 0.3s ease;
+            }
+
+            &:hover::before {
+              opacity: 1;
+            }
+          }
+
+          li {
+            margin-bottom: 0.25rem;
+            position: relative;
+          }
+        }
+
+        // TOC link styling
+        .nav-link {
+          padding: 0.4rem 0.75rem;
+          border-radius: 6px;
+          font-size: 0.875rem;
+          line-height: 1.5;
+          color: rgba($foreground, 0.75);
+          transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+          display: block;
+          text-decoration: none;
+          position: relative;
+          overflow: hidden;
+
+          // Section numbers
+          .header-section-number {
+            font-weight: 600;
+            margin-right: 0.5rem;
+            opacity: 0.6;
+            transition: opacity 0.25s ease;
+            font-size: 0.8em;
+          }
+
+          // Hover effect background
+          &::before {
+            content: '';
+            position: absolute;
+            left: 0;
+            top: 0;
+            bottom: 0;
+            width: 3px;
+            background: $foreground;
+            transform: scaleY(0);
+            transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+            border-radius: 0 2px 2px 0;
+          }
+
+          // Hover state
+          &:hover {
+            color: rgba($foreground, 0.95);
+            background-color: rgba($foreground, 0.04);
+            transform: translateX(2px);
+            padding-left: 0.85rem;
+
+            .header-section-number {
+              opacity: 1;
+            }
+
+            &::before {
+              transform: scaleY(1);
+            }
+          }
+
+          // Active state
+          &.active {
+            color: $foreground;
+            background-color: rgba($foreground, 0.08);
+            font-weight: 600;
+            padding-left: 0.85rem;
+
+            .header-section-number {
+              opacity: 1;
+              font-weight: 700;
+            }
+
+            &::before {
+              transform: scaleY(1);
+              width: 4px;
+            }
+
+            // Subtle pulse animation for active item
+            &::after {
+              content: '';
+              position: absolute;
+              left: 0;
+              top: 50%;
+              width: 4px;
+              height: 4px;
+              background: $foreground;
+              border-radius: 50%;
+              transform: translateY(-50%);
+              opacity: 0;
+              animation: tocPulse 2s ease-in-out infinite;
+            }
+          }
+
+          // Focus state for accessibility
+          &:focus-visible {
+            outline: 2px solid $foreground;
+            outline-offset: 2px;
+            background-color: rgba($foreground, 0.06);
+          }
+        }
+
+        // Collapsed nested items
+        ul.collapse {
+          .nav-link {
+            font-size: 0.8125rem;
+            padding: 0.3rem 0.75rem;
+            color: rgba($foreground, 0.65);
+
+            &:hover {
+              color: rgba($foreground, 0.9);
+            }
+          }
+        }
+
+        // TOC actions (Edit/Report buttons)
+        .toc-actions {
+          margin-top: 1.5rem;
+          padding-top: 1rem;
+          border-top: 1px solid rgba($foreground, 0.1);
+
+          ul {
+            padding-left: 0;
+            margin-bottom: 0;
+          }
+
+          li {
+            margin-bottom: 0.5rem;
+          }
+
+          .toc-action {
+            display: flex;
+            align-items: center;
+            padding: 0.5rem 0.75rem;
+            border-radius: 6px;
+            font-size: 0.875rem;
+            color: rgba($foreground, 0.7);
+            text-decoration: none;
+            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+            background-color: rgba($foreground, 0.02);
+            border: 1px solid rgba($foreground, 0.08);
+
+            i,
+            .bi {
+              margin-right: 0.5rem;
+              font-size: 1rem;
+              transition: transform 0.3s ease;
+            }
+
+            &:hover {
+              color: $foreground;
+              background-color: rgba($foreground, 0.06);
+              border-color: rgba($foreground, 0.15);
+              transform: translateY(-1px);
+              box-shadow: 0 2px 8px rgba($foreground, 0.08);
+
+              i,
+              .bi {
+                transform: scale(1.1);
+              }
+            }
+
+            &:active {
+              transform: translateY(0);
+            }
+          }
+        }
+
+        // Sticky behavior enhancement
+        &.toc-active {
+          // Add subtle shadow when scrolling
+          &::after {
+            content: '';
+            position: absolute;
+            bottom: -10px;
+            left: 0;
+            right: 0;
+            height: 10px;
+            background: linear-gradient(
+              180deg,
+              rgba($foreground, 0.03) 0%,
+              transparent 100%
+            );
+            pointer-events: none;
+            opacity: 0;
+            transition: opacity 0.3s ease;
+          }
+        }
+      }
+
+      // Animation for active item pulse
+      @keyframes tocPulse {
+        0%, 100% {
+          opacity: 0;
+          transform: translateY(-50%) scale(1);
+        }
+        50% {
+          opacity: 0.4;
+          transform: translateY(-50%) scale(1.5);
+        }
+      }
+
+      // Responsive adjustments
+      @media (max-width: 991px) {
+        nav#TOC {
+          #toc-title {
+            font-size: 0.8125rem;
+          }
+
+          .nav-link {
+            font-size: 0.8125rem;
+            padding: 0.35rem 0.5rem;
+          }
+        }
+      }
+
+      // ===========================
+      // SIDEBAR & BREADCRUMBS
+      // ===========================
+
+      // Sidebar navigation hover effects
+      .sidebar-navigation {
+        .sidebar-item {
+          transition: all 0.2s ease;
+
+          &:hover {
+            background-color: rgba($foreground, 0.03);
+            padding-left: 1.2rem;
+          }
+        }
+      }
+
+      // Breadcrumb link animations
+      .breadcrumb {
+        .breadcrumb-item {
+          a {
+            transition: all 0.3s ease;
+
+            &:hover {
+              transform: translateX(2px);
+            }
+          }
+        }
+      }
+
+      // ===========================
+      // TITLE BLOCK & HEADERS
+      // ===========================
+
+      // Page title block with gradient effects
+      body > header#title-block-header {
+        position: relative;
+        overflow: hidden;
+        padding: 0;
+        margin-bottom: 2rem;
+
+        // Subtle background gradient effect
+        &::before {
+          content: '';
+          position: absolute;
+          top: 0;
+          left: 0;
+          right: 0;
+          bottom: 0;
+          background: linear-gradient(
+            135deg,
+            rgba($foreground, 0.02) 0%,
+            rgba($foreground, 0.01) 50%,
+            rgba($foreground, 0.02) 100%
+          );
+          pointer-events: none;
+          z-index: -1;
+        }
+
+        // Animated accent line
+        /* border-bottom: 2px solid rgba($foreground, 0.1);
+        &::after {
+          content: '';
+          position: absolute;
+          bottom: -2px;
+          left: 0;
+          width: 100%;
+          height: 2px;
+          background: linear-gradient(
+            90deg,
+            transparent 0%,
+            $foreground 20%,
+            $foreground 80%,
+            transparent 100%
+          );
+          opacity: 0.3;
+          animation: shimmer 3s ease-in-out infinite;
+        } */
+
+        // Enhanced title styling
+        .quarto-title .title {
+          position: relative;
+          font-weight: 700;
+          letter-spacing: -0.02em;
+          line-height: 1.15;
+          margin-bottom: 1rem;
+          padding-bottom: 0.5rem;
+          transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+          text-shadow: 0 1px 2px rgba($background, 0.1);
+
+          // Animated underline effect on hover
+          &::after {
+            content: '';
+            position: absolute;
+            bottom: 0;
+            left: 0;
+            width: 0;
+            height: 3px;
+            background: linear-gradient(
+              90deg,
+              $foreground 0%,
+              rgba($foreground, 0.5) 100%
+            );
+            transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
+            border-radius: 2px;
+          }
+
+          &:hover::after {
+            width: 100px;
+          }
+        }
+
+        // Enhanced subtitle styling
+        .quarto-title .subtitle {
+          font-size: 1.15rem;
+          line-height: 1.5;
+          color: rgba($foreground, 0.85);
+          font-weight: 400;
+          margin-top: 0;
+          margin-bottom: 0.75rem;
+          animation: fadeInUp 0.8s ease-out 0.2s both;
+
+          a {
+            transition: all 0.3s ease;
+            text-decoration: none;
+            border-bottom: 1px solid transparent;
+
+            &:hover {
+              border-bottom-color: rgba($foreground, 0.85);
+              transform: translateY(-1px);
+            }
+          }
+        }
+
+        // Enhanced title metadata
+        .quarto-title-meta {
+          position: relative;
+          margin-top: 0;
+          padding-top: 1rem;
+          padding-bottom: 1rem;
+          animation: fadeIn 0.8s ease-out 0.4s both;
+
+          .quarto-title-meta-heading {
+            font-weight: 600;
+            text-transform: uppercase;
+            letter-spacing: 0.05em;
+            font-size: 0.75rem;
+            color: rgba($foreground, 0.7);
+          }
+
+          .quarto-title-meta-contents {
+            font-size: 0.95rem;
+            color: rgba($foreground, 0.9);
+          }
+        }
+
+        // Banner-specific enhancements (when .quarto-title-banner exists)
+        &:has(.quarto-title-banner) {
+          // Enhanced gradient overlay for banners
+          &::before {
+            background: linear-gradient(
+              135deg,
+              rgba($foreground, 0.03) 0%,
+              rgba($foreground, 0.01) 50%,
+              rgba($foreground, 0.03) 100%
+            );
+          }
+        }
+
+        .quarto-title-banner {
+          padding-top: 1.5rem;
+          padding-bottom: 1rem;
+          margin-bottom: 0;
+          position: relative;
+
+          // Animated separator line at bottom of banner
+          &::after {
+            content: '';
+            position: absolute;
+            bottom: 0;
+            left: 0;
+            width: 100%;
+            height: 1px;
+            background: linear-gradient(
+              90deg,
+              transparent 0%,
+              rgba($foreground, 0.2) 10%,
+              rgba($foreground, 0.3) 50%,
+              rgba($foreground, 0.2) 90%,
+              transparent 100%
+            );
+            opacity: 0;
+            animation: fadeInBorder 1s ease-out 0.3s forwards, pulseBorder 4s ease-in-out 1.3s infinite;
+          }
+
+          .quarto-title {
+            position: relative;
+            z-index: 1;
+
+            .title {
+              font-size: 2.5rem;
+              font-weight: 800;
+              letter-spacing: -0.03em;
+
+              // Enhanced hover effect for banners
+              &::after {
+                height: 4px;
+                bottom: 0;
+              }
+
+              &:hover::after {
+                width: 150px;
+              }
+
+              @media (max-width: 768px) {
+                font-size: 2rem;
+              }
+            }
+
+            .subtitle {
+              font-size: 1.1rem;
+              opacity: 0.9;
+              margin-top: 0;
+              margin-bottom: 0.75rem;
+            }
+          }
+        }
+
+        .abstract {
+          padding-bottom: 1rem;
+        }
+      }
+
+      // ===========================
+      // SECTION HEADINGS (H2-H6)
+      // ===========================
+
+      // Override default heading borders with theme variables
+      h1, .h1,
+      h2, .h2,
+      h3, .h3,
+      h4, .h4,
+      h5, .h5,
+      h6, .h6 {
+        // Override any default border colors with theme variables
+        &[style*="border-bottom"],
+        &:not(:where(.nav-footer *, .navbar *, .sidebar *, nav#TOC *)) {
+          border-bottom-color: rgba($foreground, 0.15) !important;
+        }
+      }
+
+      // Default h2 border override (Quarto adds border-bottom to h2 by default)
+      h2, .h2 {
+        &:not(:where(.nav-footer *, .navbar *, .sidebar *, nav#TOC *, .card-title)) {
+          border-bottom-color: rgba($foreground, 0.15);
+        }
+      }
+
+      // Animated underlines for section headings in main content
+      main {
+        h2.anchored,
+        h3.anchored,
+        h4.anchored,
+        h5.anchored {
+          position: relative;
+          transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+          cursor: default;
+
+          // Remove default border for animated version
+          border-bottom: none !important;
+
+          // Animated underline effect on hover
+          &::after {
+            content: '';
+            position: absolute;
+            bottom: -2px;
+            left: 0;
+            width: 0;
+            height: 2px;
+            background: linear-gradient(
+              90deg,
+              $foreground 0%,
+              rgba($foreground, 0.4) 100%
+            );
+            transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
+            border-radius: 1px;
+          }
+
+          &:hover::after {
+            width: 80px;
+          }
+        }
+
+        // Different widths for different heading levels
+        h2.anchored:hover::after {
+          width: 100px;
+        }
+
+        h3.anchored:hover::after {
+          width: 80px;
+        }
+
+        h4.anchored:hover::after {
+          width: 60px;
+        }
+
+        h5.anchored:hover::after {
+          width: 50px;
+        }
+
+        // Enhance section number styling
+        h2.anchored,
+        h3.anchored,
+        h4.anchored,
+        h5.anchored {
+          .header-section-number {
+            transition: all 0.3s ease;
+            opacity: 0.7;
+            margin-right: 0.5em;
+          }
+
+          &:hover .header-section-number {
+            opacity: 1;
+            transform: translateX(-2px);
+          }
+        }
+      }
+
+      // ===========================
+      // KEYFRAME ANIMATIONS
+      // ===========================
+
+      // Shimmer animation for banner accent
+      @keyframes shimmer {
+        0%, 100% {
+          opacity: 0.3;
+          transform: scaleX(1);
+        }
+        50% {
+          opacity: 0.5;
+          transform: scaleX(0.95);
+        }
+      }
+
+      // Fade in animation for separator border
+      @keyframes fadeInBorder {
+        from {
+          opacity: 0;
+          transform: scaleX(0.8);
+        }
+        to {
+          opacity: 1;
+          transform: scaleX(1);
+        }
+      }
+
+      // Pulse animation for separator border
+      @keyframes pulseBorder {
+        0%, 100% {
+          opacity: 1;
+        }
+        50% {
+          opacity: 0.6;
+        }
+      }
+
+      // Gradient orbs movement
+      @keyframes orbsMove {
+        0% {
+          transform: translate(0, 0) rotate(0deg) scale(1);
+        }
+        33% {
+          transform: translate(8%, 5%) rotate(120deg) scale(1.1);
+        }
+        66% {
+          transform: translate(-5%, 8%) rotate(240deg) scale(0.9);
+        }
+        100% {
+          transform: translate(0, 0) rotate(360deg) scale(1);
+        }
+      }
+
+      // ===========================
+      // ACCESSIBILITY & REDUCED MOTION
+      // ===========================
+
+      // Disable all animations for users who prefer reduced motion
+      @media (prefers-reduced-motion: reduce) {
+        *,
+        *::before,
+        *::after {
+          animation-duration: 0.01ms !important;
+          animation-iteration-count: 1 !important;
+          transition-duration: 0.01ms !important;
+          scroll-behavior: auto !important;
+        }
+
+        // Disable title-block animations for reduced motion
+        header#title-block-header {
+          &::after {
+            animation: none !important;
+          }
+
+          .quarto-title .title::after {
+            transition: none !important;
+          }
+
+          .quarto-title-meta::before {
+            animation: none !important;
+            opacity: 1 !important;
+          }
+        }
+
+        // Disable TOC animations for reduced motion
+        nav#TOC {
+          .nav-link.active::after {
+            animation: none !important;
+            opacity: 0 !important;
+          }
+        }
+      }